package com.wench.design.pattern.adapter.object_adapter;

/**
 * 目标接口
 *
 * @author wench
 */
public interface SdCard {

    /**
     * 读取SD卡数据
     *
     * @return 字符串内容
     */
    String readSd();

    /**
     * 写数据到sd
     *
     * @param msg 消息字符串
     */
    void writeSd(String msg);
}
